win/salbmp.h

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#ifndef INCLUDED_VCL_INC_WIN_SALBMP_H
#define INCLUDED_VCL_INC_WIN_SALBMP_H
 
#include <tools/gen.hxx>
#include <win/wincomp.hxx>
#include <salbmp.hxx>
#include <basegfx/utils/systemdependentdata.hxx>
#include <memory>
 
 
struct  BitmapBuffer;
class   BitmapColor;
class   BitmapPalette;
class   SalGraphics;
namespace Gdiplus { class Bitmap; }
 
class WinSalBitmap final: public SalBitmap, public basegfx::SystemDependentDataHolder
{
private:
    Size                maSize;
    HGLOBAL             mhDIB;
    HBITMAP             mhDDB;
 
    sal_uInt16          mnBitCount;
 
    std::shared_ptr<Gdiplus::Bitmap>    ImplCreateGdiPlusBitmap(const WinSalBitmap& rAlphaSource);
    std::shared_ptr<Gdiplus::Bitmap> ImplCreateGdiPlusBitmap();
 
public:
 
    HGLOBAL             ImplGethDIB() const { return mhDIB; }
    HBITMAP             ImplGethDDB() const { return mhDDB; }
 
    std::shared_ptr< Gdiplus::Bitmap > ImplGetGdiPlusBitmap(const WinSalBitmap* pAlphaSource = nullptr) const;
 
    static HGLOBAL      ImplCreateDIB( const Size& rSize, vcl::PixelFormat ePixelFormat, const BitmapPalette& rPal );
    static HANDLE       ImplCopyDIBOrDDB( HANDLE hHdl, bool bDIB );
    static sal_uInt16   ImplGetDIBColorCount( HGLOBAL hDIB );
 
public:
 
                        WinSalBitmap();
    virtual             ~WinSalBitmap() override;
 
    using SalBitmap::addOrReplaceSystemDependentData;
    using SalBitmap::getSystemDependentData;
    using SystemDependentDataHolder::addOrReplaceSystemDependentData;
    using SystemDependentDataHolder::getSystemDependentData;
 
public:
 
    bool                        Create( HANDLE hBitmap );
    virtual bool                Create( const Size& rSize, vcl::PixelFormat ePixelFormat, const BitmapPalette& rPal ) override;
    virtual bool                Create( const SalBitmap& rSalBmpImpl ) override;
    virtual bool                Create( const SalBitmap& rSalBmpImpl, SalGraphics* pGraphics ) override;
    virtual bool                Create( const SalBitmap& rSalBmpImpl, vcl::PixelFormat eNewPixelFormat ) override;
    virtual bool                Create( const css::uno::Reference< css::rendering::XBitmapCanvas >& rBitmapCanvas,
                                           Size& rSize,
                                           bool bMask = false ) override;
 
    virtual void                Destroy() override;
 
    virtual Size                GetSize() const override { return maSize; }
    virtual sal_uInt16          GetBitCount() const override { return mnBitCount; }
 
    virtual BitmapBuffer*       AcquireBuffer( BitmapAccessMode nMode ) override;
    virtual void                ReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode ) override;
    virtual bool                GetSystemData( BitmapSystemData& rData ) override;
 
    virtual bool                ScalingSupported() const override;
    virtual bool                Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) override;
    virtual bool                Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uInt8 nTol ) override;
 
    virtual const basegfx::SystemDependentDataHolder* accessSystemDependentDataHolder() const override;
};
 
#endif // INCLUDED_VCL_INC_WIN_SALBMP_H
 
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